respiratory equations Flashcards
1
Q
give the equation for transairway pressure
A
Pta = paw - Ppl
2
Q
give the equation for pressure gradient across the lung
A
PL = PA - Pip
3
Q
give the equation for the pressure gradient across the chest wall
A
Pw = Pip - Pb
4
Q
give the diffusion equation (ficks law)
A
D- diffusion coefficient
C- pressure gradient
A- surface area
h- thickness of barrier
5
Q
give the equation for minute ventilation
A
Vt = tidal volume x RR
6
Q
give the basic equation for alveolar ventilation
A
7
Q
give the equation for alveolar ventilation using expired CO2 and alveolar CO2
A
8
Q
give the equation for alveolar CO2 with lung volumes and expired CO2
A
9
Q
give the equation for alveolar O2
A
10
Q
give the clinical equation for alveolar O2
A
11
Q
give the equation for oxygen concentration
A
